Most image encryption algorithms based on low-dimensional chaos systems bear security
risks and suffer encryption data expansion when adopting nonlinear transformation directly …

This paper introduces an image encryption algorithm shorted as CITSPD, manipulated by
circle index table scrambling and partition diffusion. Firstly, the circle index table is obtained …

In recent years, chaos-based image encryption algorithms have aroused extensive research
interest. However, some image encryption algorithms still have several security defects, and …

In the traditional image encryption systems, the permutation-diffusion operation is often
conducted in two essentially separable or independent steps, which appears not only to be …

Nowadays, the images are transferred through open channels that are subject to potential
attacks, so the exchange of image data requires additional security in many fields, such as …

Spread of wireless network technology has opened new doors to utilize sensor technology
in various areas via Wireless Sensor Networks (WSNs). Many authentication protocols for …

In this paper, a novel image encryption algorithm is proposed. The cycle shift in bits of pixels
and the chaotic system are employed for the encryption of the proposed scheme. For cycle …

With the increasing requirements of the performance in secure communication filed based
on chaos, chaotic systems have been gradually developed into higher dimensions. Because …

The need for fast and strong image cryptosystems motivates researchers to develop new
techniques to apply traditional cryptographic primitives in order to exploit the intrinsic …

A symmetric key image cryptosystem based on the piecewise linear map is presented in this
paper. In this cryptosystem, the encryption process and the decryption process are exactly …